Service Data Adaptation Protocol

E.DR_91 · Created Aug 28, 2019 05:41:07

hi

SDAP is responsible for QoS Flow handling across the 5G air interface. In particular, SDAP will map a specific QoS Flow within a PDU Session to a corresponding Data Radio Bearer (which has been established with the appropriate level of QoS). In addition, SDAP will mark the transmitted packets with the correct QFI (QoS Flow ID), ensuring that the packet receives the correct forwarding treatment as it traverses the 5G System.
For each PDU Session, a single protocol entity of SDAP will be configured. The exception to this is Dual Connectivity, whereby the Master Cell Group and Secondary Cell Group will each have a separate SDAP configuration on the device.

xiaoyun · Created Aug 28, 2019 06:13:43

SDAP: Service Data Adaptation Protocol

Definition: The main services and functions of SDAP include:
- Mapping between a QoS flow and a data radio bearer;
- Marking QoS flow ID in both DL and UL packets.
A single protocol entity of SDAP is configured for each individual PDU session, except for DC where two entities can be configured (one for MCG and another one for SCG).
Provenance: 3GPP TS 38.300

E.DR_91 · Created Aug 28, 2019 05:41:07

hi

SDAP is responsible for QoS Flow handling across the 5G air interface. In particular, SDAP will map a specific QoS Flow within a PDU Session to a corresponding Data Radio Bearer (which has been established with the appropriate level of QoS). In addition, SDAP will mark the transmitted packets with the correct QFI (QoS Flow ID), ensuring that the packet receives the correct forwarding treatment as it traverses the 5G System.
For each PDU Session, a single protocol entity of SDAP will be configured. The exception to this is Dual Connectivity, whereby the Master Cell Group and Secondary Cell Group will each have a separate SDAP configuration on the device.

Vic_Mar · Created Aug 28, 2019 05:43:00

3GPP has agreed to introduce the Service Data Adaptation Protocol (SDAP) [3] as a new protocol
layer in NR that has the role to provide the mapping between a QoS flow and a data radio bearer, and
mark the QoS flow ID in uplink (UL) and downlink (DL) packets
Typically, a single protocol entity of SDAP is configured for each individual protocol data unit (PDU)
session, except for dual connectivity (DC), where two entities can be configured.

xiaoyun · Created Aug 28, 2019 06:13:43

SDAP: Service Data Adaptation Protocol

Definition: The main services and functions of SDAP include:
- Mapping between a QoS flow and a data radio bearer;
- Marking QoS flow ID in both DL and UL packets.
A single protocol entity of SDAP is configured for each individual PDU session, except for DC where two entities can be configured (one for MCG and another one for SCG).
Provenance: 3GPP TS 38.300

Mysterious.color · Created Nov 14, 2020 04:00:00

very good

Service Data Adaptation Protocol

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